0 1 2 3 Sat 21 Jan 1928 Sat 28 Jan 1928 Sat 04 Feb 1928 Sat 11 Feb 1928 Sat 18 Feb 1928 Sat 25 Feb 1928 Sat 03 Mar 1928 Sat 10 Mar 1928 Sat 17 Mar 1928 Sat 24 Mar 1928 Sat 31 Mar 1928 Thu 05 Apr 1928 Hours Slept Hours Slept Rolling Average Total Time in Bed Total Rolling Average <- Previous Period Next Period -> Date Range: to Offset: hours Data: Hours Slept Hours Laying Awake Total Time in Bed Total Dreams Show: Raw Data Rolling Average Rolling Average: Start from Zero Events: None Major All